Sinkholes are fairly common, due to collapsed caves, old mines or dissolving material, but the circumstances in South Dakota stand out ... state where the mineral gypsum was mined for use at ...

A judge in South ... plant mined gypsum for several years in the area decades ago. Attorneys for the state have argued that the cement plant did not mine underground and the collapse would have ...

For generations, South Dakota operated gypsum mines to support its for-profit ... homes have been left worthless by virtue of the mine collapse. “Every single gallon of water and sewage that ...

Sinkholes are fairly common, due to collapsed caves, old mines or dissolving material but the circumstances in South Dakota stand out ... state where the mineral gypsum was mined for use at ...

Sinkholes are fairly common, due to collapsed caves, old mines or dissolving material, but the circumstances in South Dakota stand out ... state where the mineral gypsum was mined for use at ...

Sinkholes are fairly common, due to collapsed caves, old mines or dissolving material, but the circumstances in South Dakota stand out ... state where the mineral gypsum was mined for use at ...

South Dakota for generations operated gypsum mines to support its for-profit cement ... which could disintegrate and collapse when it is exposed to moisture. The case is Andrew Morse and John ...

A judge in South Dakota has thrown out a lawsuit brought by dozens of neighbors in a Rapid City-area subdivision whose homes were built above an old, underground mine linked to sinkholes in the ...